			td {height: 30px; width: 25px; border: 3px ridge black; padding:5px 10px 5px 10px; background-color:gold; font-weight: bold; }
			h1 {color: navy; border-bottom: transparent; 
			border: groove; border-width: 10px;
			margin-left:auto; margin-right: auto; }
			button { margin-top: 10px; }
			td:hover {background-color: purple; }
			body {horivertical-align: middle; vertical-align: middle; margin-left: auto; margin-right: auto; float: center;}
			
